Device for height measurement

Abstract

A device for measuring the body height of a person. In the area of an inner border of a building room at least one emitter for emitting a primary signal and at least one sensor for picking up a measuring signal are arranged. The emitter, as well as the sensor, is coupled to a control device. The control device is coupled to a display device.

The invention claimed is: 
     
       1. A device for measuring body height of a person, comprising: at least one emitter for generating a primary ultrasound signal; at least one sensor for picking up a measuring ultrasound signal, the emitter and the sensor being arranged in a common geometric area of an inner border of a building room; a control device, the emitter as well as the sensor being coupled to the control device without contact; a display device coupled to the control device, wherein the sensor is arranged above the person in the vertical direction in the area of a ceiling of the room; and a projector for projecting a location marking below the sensor in the vertical direction on a floor of the room for the person to be measured so that a vertical connecting line extends from the location marking through the person to the sensor during a measurement operation, wherein the control device carries out reference measurements using the emitter and the sensor to take into consideration temperature changes and/or humidity changes, and further carries out a measurement of a distance between the floor and the sensor. 
     
     
       2. The device according to  claim 1 , further comprising a scale for measuring weight of the person to be measured. 
     
     
       3. The device according to  claim 1 , wherein the control device is constructed for evaluating a reference measurement which takes into consideration a distance of the sensor from a surface on which the person to be measured stands. 
     
     
       4. The device according to  claim 1 , wherein the sensor is arranged in the area of a wall of the room. 
     
     
       5. The device according to  claim 1 , further comprising a support on which the sensor is mounted. 
     
     
       6. The device according to  claim 1 , wherein the sensor is over at least portions thereof formed by at least one camera. 
     
     
       7. The device according to  claim 6 , wherein a lateral triangulation is realized.